枇杷灰斑病是枇杷的主要病害,全年都有发生,能侵害枇杷的叶片、果实和枝干。灰斑病菌有三种类型,其中一种属急性型,病菌蔓延快,病斑爆发性、危害性强,是危害枇杷树最严重的一种病害。这种急性型灰斑病,常因异常天气影响,如春夏季干旱、冬春季大雪等恶劣天气,使植株易染病,衰弱 Loquat gray spot disease is the main disease loquat occurs throughout the year, can damage loquat leaves, fruits and stems. Cercospora sojina There are three types of Cercospora sojina, one of which is of the acute type, the spread of the bacteria is rapid, the spot is explosive, and the harmfulness is strong. It is the most serious disease that damages the loquat tree. This acute gray spot disease, often due to abnormal weather, such as spring and summer drought, snow and other winter and spring bad weather, so that plants susceptible to disease, weakness